<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <button type="warn" class="btn-login" @click="getUserInfo">一键登录</button>
    <text class="tips-text">登录后尽享更多权益</text>
  </view>
</template>
<script>
  import { mapState, mapMutations } from 'vuex'

  export default {
    data() {
      return {
        token: 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjEyLCJpYXQiOjE1MjU0MDIyMjMsImV4cCI6MTUyNTQ4ODYyM30.g-4GtEQNPwT_Xs0Pq7Lrco_9DfHQQsBiOKZerkO-O-o'
      }
    },
    computed: {
      ...mapState('m_user', ['redirectInfo'])
    },
    methods: {
      ...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),
      // 用户授权之后，获取用户的基本信息
      getUserInfo() {
        uni.getUserProfile({
          desc: '请授权本程序以登录',
          success: (e) => {
            this.updateUserInfo(e.userInfo)

            uni.$showMsg('登录成功！')

            this.updateToken(this.token)
            this.navigateBack()
          },
          fail: () => {
            uni.$showMsg('您取消了登录授权！')
          }
        })
      },
      navigateBack() {
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>
<style lang="scss">
.login-container {
  height: 750rpx;
  background-color: #F8F8F8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;

  &::after {
    content: '';
    display: block;
    width: 100%;
    height: 40px;
    background-color: #F5F5F5;
    position: absolute;
    bottom: 0;
    left: 0;
    border-radius: 100%;
    transform: translateY(50%);
  }

  .btn-login {
    width: 90%;
    border-radius: 100px;
    margin: 15px 0;
    background-color: #C00000;
  }

  .tips-text {
    font-size: 12px;
    color: gray;
  }
}
</style>
